Simplify (-12d-1)/(10d+5)

$\frac{- 12 d - 1}{10 d + 5}$

Factor $5$ out of $10 d + 5$ .

Factor $5$ out of $10 d$ .

$\frac{- 12 d - 1}{5 (2 d) + 5}$

Factor $5$ out of $5$ .

$\frac{- 12 d - 1}{5 (2 d) + 5 (1)}$

Factor $5$ out of $5 (2 d) + 5 (1)$ .

$\frac{- 12 d - 1}{5 (2 d + 1)}$

$\frac{- 12 d - 1}{5 (2 d + 1)}$

Factor $- 1$ out of $- 12 d$ .

$\frac{- (12 d) - 1}{5 (2 d + 1)}$

Rewrite $- 1$ as $- 1 (1)$ .

$\frac{- (12 d) - 1 (1)}{5 (2 d + 1)}$

Factor $- 1$ out of $- (12 d) - 1 (1)$ .

$\frac{- (12 d + 1)}{5 (2 d + 1)}$

Simplify the expression.

Rewrite $- (12 d + 1)$ as $- 1 (12 d + 1)$ .

$\frac{- 1 (12 d + 1)}{5 (2 d + 1)}$

Move the negative in front of the fraction.

$- \frac{12 d + 1}{5 (2 d + 1)}$

$- \frac{12 d + 1}{5 (2 d + 1)}$

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